3 interrupt assignments, Standard interrupt assignments, Irq assignments for this motherboard – Asus P5E3 User Manual
Page 44
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Chapter 2: Hardware information
2.5.3
Interrupt assignments
Standard interrupt assignments
IRQ
Priority
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
—
Re-direct to IRQ#9
3
9
IRQ holder for PCI steering*
4
12
Communications Port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy Disk Controller
7
15
Printer Port (LPT1)*
8
3
System CMOS/Real Time Clock
9
4
IRQ holder for PCI steering*
10
5
IRQ holder for PCI steering*
11
6
IRQ holder for PCI steering*
12
7
PS/2 Compatible Mouse Port*
13
8
Numeric Data Processor
14
10
Primary IDE Channel
15
11
Secondary IDE Channel
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI slot 1
shared
–
–
–
–
–
–
–
PCI slot 2
–
shared
–
–
–
–
–
–
Marvell 6111
shared
–
–
–
–
–
–
–
LAN (8056)
–
shared
–
–
–
–
–
–
PCIE x16 1
shared
–
–
–
–
–
–
–
PCIE x16 2
shared
–
–
–
–
–
–
–
PCIE x1 1
–
–
shared
–
–
–
–
–
PCIE x1 2
–
–
–
shared
–
–
–
–
USB controller 1
–
–
–
–
–
–
–
shared
USB controller 2
–
–
–
shared
–
–
–
–
USB controller 3
–
–
shared
–
–
–
–
–
USB controller 4
shared
–
–
–
–
–
–
–
USB controller 5
shared
–
–
–
–
–
–
–
USB controller 6
–
–
shared
–
–
–
–
–
USB 2.0 controller 1
–
–
–
–
–
–
–
shared
USB 2.0 controller 2
–
–
shared
–
–
–
–
–
SATA controller 1
–
–
shared
–
–
–
–
–
SATA controller 2
–
shared
–
–
–
–
–
–
Azalia
–
–
–
–
–
shared
–
–